Pipe diameter does not affect black powder distribution, erosion

07/02/2012
Ehab Elsaadawy Abdelmounam Sherik Saudi Aramco Dhahran Pipe diameter seems to have no influence on black powder particles' velocity distribution in natural gas transmission pipelines operating at 10 m/sec and 20 m/sec, and there will be little, if any, particle-size segregation. Filter systems installed on such pipelines should be sized to collect the entire particle-size spectrum. A pipeline bend with longer radius of curvature (e.g., 3.0) will have more uniformly distributed erosion over the outer wall of the bend, making it a better candidate for applications in severe erosive service environments, such as black powder contamination. But black powder erosion even in bends of smaller ra...
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